Bug#561851: mii-tool reports full-duplex as half-duplex
Daniel Kahn Gillmor
dkg at fifthhorseman.net
Tue Apr 26 19:54:21 UTC 2011
I'm also seeing 561851 on an up-to-date squeeze system:
> root at panther:~# ethtool eth0
> Settings for eth0:
> Supported ports: [ TP ]
> Supported link modes: 10baseT/Half 10baseT/Full
> 100baseT/Half 100baseT/Full
> 1000baseT/Half 1000baseT/Full
> Supports auto-negotiation: Yes
> Advertised link modes: 10baseT/Half 10baseT/Full
> 100baseT/Half 100baseT/Full
> 1000baseT/Half 1000baseT/Full
> Advertised pause frame use: No
> Advertised auto-negotiation: Yes
> Speed: 1000Mb/s
> Duplex: Full
> Port: Twisted Pair
> PHYAD: 1
> Transceiver: internal
> Auto-negotiation: on
> MDI-X: Unknown
> Supports Wake-on: g
> Wake-on: g
> Current message level: 0x000000ff (255)
> Link detected: yes
> root at panther:~# ethtool -i eth0
> driver: tg3
> version: 3.102
> firmware-version: 5782-v3.13
> bus-info: 0000:05:02.0
> root at panther:~# mii-tool -v eth0
> eth0: negotiated 1000
baseT-HD flow-control, link ok
> product info: vendor 00:08:18, model 26 rev 2
> basic mode: autonegotiation enabled
> basic status: autonegotiation complete, link ok
> capabilities: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
> advertising: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control
> link partner: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control
> root at panther:~#
It would be great if this could be resolved. these kind of false
reports make it difficult to trust the tools.
--dkg
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